Key Technology Research on the Rapid-Molding In-Closed Retaining-Wall in Filling Mining
Filling mining is a main technology of mining coal resources under buildings, and it has a good effect on preventing ground subsidence.Taking Wangtaipu coal mine of the Shanxi Jincheng Anthracite Coal Mining Group as the engineering background, in order to solve the rei?llinen pizzalapio problem of traditional closed brick wall at the end of workin